7.2

CVE-2023-5372: zyxel nas326_firmware OS Command Injection

CVSS: 7.2v3.1HighModified
Published 30-01-2024Last modified 23-08-2024
Open JSON

Vulnerability summary

CVE-2023-5372 is a high (CVSS 7.2) OS Command Injection vulnerability in zyxel nas326_firmware. EPSS estimates a 28.47% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
28.47%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-01-2024
    PublishedVulnerability first disclosed.
  2. 23-08-2024
    Last modifiedVulnerability information updated.

Description

The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

28.47%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 28.47% on 20-09-2026

20-09-202620-10-2026
EPSS score
28.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zyxel4 products

1 vendor · 4 products

References

1 links